27961815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{941}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 51365376

約数和(自身を除く): 23403561

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 283, 849, 941, 1415, 1981, 2823, 4245, 4705, 5943, 6587, 9905, 14115, 19761, 29715, 32935, 98805, 266303, 798909, 1331515, 1864121, 3994545, 5592363, 9320605, 27961815]

約数ペア:

[(1, 27961815), (3, 9320605), (5, 5592363), (7, 3994545), (15, 1864121), (21, 1331515), (35, 798909), (105, 266303), (283, 98805), (849, 32935), (941, 29715), (1415, 19761), (1981, 14115), (2823, 9905), (4245, 6587), (4705, 5943)]